pvrecorder/src/miniaudio/examples/custom_backend.c File Reference

#include "../miniaudio.h"

Include dependency graph for pvrecorder/src/miniaudio/examples/custom_backend.c:

Go to the source code of this file.

Classes
struct	ma_context_ex
struct	ma_device_ex
struct	MA_SDL_AudioSpec

Macros
#define	DEVICE_CHANNELS   2
#define	DEVICE_FORMAT   ma_format_f32
#define	DEVICE_SAMPLE_RATE   48000
#define	MA_AUDIO_F32   0x8120
#define	MA_AUDIO_S16   0x8010
#define	MA_AUDIO_S32   0x8020
#define	MA_AUDIO_U8   0x0008
#define	MA_HAS_SDL
#define	MA_SDL_AUDIO_ALLOW_ANY_CHANGE   (MA_SDL_AUDIO_ALLOW_FREQUENCY_CHANGE | MA_SDL_AUDIO_ALLOW_FORMAT_CHANGE | MA_SDL_AUDIO_ALLOW_CHANNELS_CHANGE)
#define	MA_SDL_AUDIO_ALLOW_CHANNELS_CHANGE   0x00000004
#define	MA_SDL_AUDIO_ALLOW_FORMAT_CHANGE   0x00000002
#define	MA_SDL_AUDIO_ALLOW_FREQUENCY_CHANGE   0x00000001
#define	MA_SDL_INIT_AUDIO   0x00000010
#define	MA_SUPPORT_SDL
#define	MINIAUDIO_IMPLEMENTATION

Typedefs
typedef void(*	MA_PFN_SDL_CloseAudioDevice) (MA_SDL_AudioDeviceID dev)
typedef int(*	MA_PFN_SDL_GetNumAudioDevices) (int iscapture)
typedef int(*	MA_PFN_SDL_InitSubSystem) (ma_uint32 flags)
typedef MA_SDL_AudioDeviceID(*	MA_PFN_SDL_OpenAudioDevice) (const char *device, int iscapture, const MA_SDL_AudioSpec *desired, MA_SDL_AudioSpec *obtained, int allowed_changes)
typedef void(*	MA_PFN_SDL_PauseAudioDevice) (MA_SDL_AudioDeviceID dev, int pause_on)
typedef void(*	MA_PFN_SDL_QuitSubSystem) (ma_uint32 flags)
typedef void(*	MA_SDL_AudioCallback) (void *userdata, ma_uint8 *stream, int len)
typedef ma_uint32	MA_SDL_AudioDeviceID
typedef ma_uint16	MA_SDL_AudioFormat
typedef struct MA_SDL_AudioSpec	MA_SDL_AudioSpec

Functions
void	data_callback (ma_device *pDevice, void *pOutput, const void *pInput, ma_uint32 frameCount)
void	ma_audio_callback_capture__sdl (void *pUserData, ma_uint8 *pBuffer, int bufferSizeInBytes)
void	ma_audio_callback_playback__sdl (void *pUserData, ma_uint8 *pBuffer, int bufferSizeInBytes)
static ma_result	ma_context_enumerate_devices__sdl (ma_context *pContext, ma_enum_devices_callback_proc callback, void *pUserData)
static ma_result	ma_context_get_device_info__sdl (ma_context *pContext, ma_device_type deviceType, const ma_device_id *pDeviceID, ma_device_info *pDeviceInfo)
static ma_result	ma_context_init__custom_loader (ma_context *pContext, const ma_context_config *pConfig, ma_backend_callbacks *pCallbacks)
static ma_result	ma_context_init__sdl (ma_context *pContext, const ma_context_config *pConfig, ma_backend_callbacks *pCallbacks)
static ma_result	ma_context_uninit__sdl (ma_context *pContext)
static ma_result	ma_device_init__sdl (ma_device *pDevice, const ma_device_config *pConfig, ma_device_descriptor *pDescriptorPlayback, ma_device_descriptor *pDescriptorCapture)
static ma_result	ma_device_init_internal__sdl (ma_device_ex *pDeviceEx, const ma_device_config *pConfig, ma_device_descriptor *pDescriptor)
static ma_result	ma_device_start__sdl (ma_device *pDevice)
static ma_result	ma_device_stop__sdl (ma_device *pDevice)
static ma_result	ma_device_uninit__sdl (ma_device *pDevice)
ma_format	ma_format_from_sdl (MA_SDL_AudioFormat format)
MA_SDL_AudioFormat	ma_format_to_sdl (ma_format format)
int	main (int argc, char **argv)

Variables
const typedef char *(*	MA_PFN_SDL_GetAudioDeviceName )(int index, int iscapture)

Macro Definition Documentation

DEVICE_CHANNELS

#define DEVICE_CHANNELS   2

Definition at line 637 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

DEVICE_FORMAT

#define DEVICE_FORMAT   ma_format_f32

Definition at line 636 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

DEVICE_SAMPLE_RATE

#define DEVICE_SAMPLE_RATE   48000

Definition at line 638 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_AUDIO_F32

#define MA_AUDIO_F32   0x8120

Definition at line 104 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_AUDIO_S16

#define MA_AUDIO_S16   0x8010

Definition at line 102 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_AUDIO_S32

#define MA_AUDIO_S32   0x8020

Definition at line 103 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_AUDIO_U8

#define MA_AUDIO_U8   0x0008

Definition at line 101 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_HAS_SDL

#define MA_HAS_SDL

Definition at line 45 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_AUDIO_ALLOW_ANY_CHANGE

#define MA_SDL_AUDIO_ALLOW_ANY_CHANGE   (MA_SDL_AUDIO_ALLOW_FREQUENCY_CHANGE | MA_SDL_AUDIO_ALLOW_FORMAT_CHANGE | MA_SDL_AUDIO_ALLOW_CHANNELS_CHANGE)

Definition at line 108 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_AUDIO_ALLOW_CHANNELS_CHANGE

#define MA_SDL_AUDIO_ALLOW_CHANNELS_CHANGE   0x00000004

Definition at line 107 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_AUDIO_ALLOW_FORMAT_CHANGE

#define MA_SDL_AUDIO_ALLOW_FORMAT_CHANGE   0x00000002

Definition at line 106 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_AUDIO_ALLOW_FREQUENCY_CHANGE

#define MA_SDL_AUDIO_ALLOW_FREQUENCY_CHANGE   0x00000001

Definition at line 105 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_INIT_AUDIO

#define MA_SDL_INIT_AUDIO   0x00000010

Definition at line 100 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SUPPORT_SDL

#define MA_SUPPORT_SDL

Definition at line 38 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MINIAUDIO_IMPLEMENTATION

#define MINIAUDIO_IMPLEMENTATION

Definition at line 26 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

Typedef Documentation

MA_PFN_SDL_CloseAudioDevice

typedef void(* MA_PFN_SDL_CloseAudioDevice) (MA_SDL_AudioDeviceID dev)

Definition at line 146 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_PFN_SDL_GetNumAudioDevices

typedef int(* MA_PFN_SDL_GetNumAudioDevices) (int iscapture)

Definition at line 144 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_PFN_SDL_InitSubSystem

typedef int(* MA_PFN_SDL_InitSubSystem) (ma_uint32 flags)

Definition at line 142 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_PFN_SDL_OpenAudioDevice

typedef MA_SDL_AudioDeviceID(* MA_PFN_SDL_OpenAudioDevice) (const char *device, int iscapture, const MA_SDL_AudioSpec *desired, MA_SDL_AudioSpec *obtained, int allowed_changes)

Definition at line 147 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_PFN_SDL_PauseAudioDevice

typedef void(* MA_PFN_SDL_PauseAudioDevice) (MA_SDL_AudioDeviceID dev, int pause_on)

Definition at line 148 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_PFN_SDL_QuitSubSystem

typedef void(* MA_PFN_SDL_QuitSubSystem) (ma_uint32 flags)

Definition at line 143 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_AudioCallback

typedef void(* MA_SDL_AudioCallback) (void *userdata, ma_uint8 *stream, int len)

Definition at line 124 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_AudioDeviceID

typedef ma_uint32 MA_SDL_AudioDeviceID

Definition at line 126 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_AudioFormat

typedef ma_uint16 MA_SDL_AudioFormat

Definition at line 125 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

MA_SDL_AudioSpec

typedef struct MA_SDL_AudioSpec MA_SDL_AudioSpec

Function Documentation

data_callback()

void data_callback	(	ma_device *	pDevice,
		void *	pOutput,
		const void *	pInput,
		ma_uint32	frameCount
	)

Definition at line 640 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_audio_callback_capture__sdl()

void ma_audio_callback_capture__sdl	(	void *	pUserData,
		ma_uint8 *	pBuffer,
		int	bufferSizeInBytes
	)

Definition at line 320 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_audio_callback_playback__sdl()

void ma_audio_callback_playback__sdl	(	void *	pUserData,
		ma_uint8 *	pBuffer,
		int	bufferSizeInBytes
	)

Definition at line 329 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_context_enumerate_devices__sdl()

static ma_result ma_context_enumerate_devices__sdl ( ma_context *  pContext, ma_enum_devices_callback_proc  callback, void *  pUserData  )

static

Definition at line 176 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_context_get_device_info__sdl()

static ma_result ma_context_get_device_info__sdl ( ma_context *  pContext, ma_device_type  deviceType, const ma_device_id *  pDeviceID, ma_device_info *  pDeviceInfo  )

static

Definition at line 233 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_context_init__custom_loader()

static ma_result ma_context_init__custom_loader ( ma_context *  pContext, const ma_context_config *  pConfig, ma_backend_callbacks *  pCallbacks  )

static

Definition at line 611 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_context_init__sdl()

static ma_result ma_context_init__sdl ( ma_context *  pContext, const ma_context_config *  pConfig, ma_backend_callbacks *  pCallbacks  )

static

Definition at line 528 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_context_uninit__sdl()

static ma_result ma_context_uninit__sdl ( ma_context *  pContext )

static

Definition at line 513 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_device_init__sdl()

static ma_result ma_device_init__sdl ( ma_device *  pDevice, const ma_device_config *  pConfig, ma_device_descriptor *  pDescriptorPlayback, ma_device_descriptor *  pDescriptorCapture  )

static

Definition at line 425 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_device_init_internal__sdl()

static ma_result ma_device_init_internal__sdl ( ma_device_ex *  pDeviceEx, const ma_device_config *  pConfig, ma_device_descriptor *  pDescriptor  )

static

Definition at line 338 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_device_start__sdl()

static ma_result ma_device_start__sdl ( ma_device *  pDevice )

static

Definition at line 477 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_device_stop__sdl()

static ma_result ma_device_stop__sdl ( ma_device *  pDevice )

static

Definition at line 495 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_device_uninit__sdl()

static ma_result ma_device_uninit__sdl ( ma_device *  pDevice )

static

Definition at line 459 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_format_from_sdl()

ma_format ma_format_from_sdl

(

MA_SDL_AudioFormat

format

)

Definition at line 164 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

ma_format_to_sdl()

MA_SDL_AudioFormat ma_format_to_sdl

(

ma_format

format

)

Definition at line 150 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 658 of file pvrecorder/src/miniaudio/examples/custom_backend.c.

Variable Documentation

MA_PFN_SDL_GetAudioDeviceName

const typedef char*(* MA_PFN_SDL_GetAudioDeviceName) (int index, int iscapture)

Definition at line 145 of file pvrecorder/src/miniaudio/examples/custom_backend.c.